#search-form {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 20px;
}
#search-box {
  width: 300px;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 20px 20px 20px 20px;
  font-size: 16px;
  text-align: center; /* 将placeholder文字居中 */
  margin-right: 10px;
}
#search-box::placeholder {
  color: #aaa;
  opacity: 0.5; /* 将placeholder文字透明度设为50% */
}
#search-button {
  background-color: #ffffff;
  color: rgb(20, 16, 16);
  border: 1px solid #ccc;
  border-radius: 20px 20px 20px 20px;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
}
#search-button:hover {
  background-color: #000000;
  color: rgb(250, 248, 248);
}


